Home / 7,835.36-11,756.12-3,449.75

Finding the Fourth Proportional to 7,835.36, 11,756.12 and 3,449.75

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Solution

The fourth proportional to 7,835.36, 11,756.12 and 3,449.75 is: 5,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.36 : 11,756.12 = 3,449.75 : x
  2. Step 2: Convert to fraction form
    7,835.36/11,756.12 = 3,449.75/x
  3. Step 3: Cross multiply
    7,835.36x = 11,756.12 × 3,449.75
  4. Step 4: Simplify right side
    7,835.36x = 40,555,598.94
  5. Step 5: Solve for x
    x = 40,555,598.94/7,835.36
  6. Step 6: Final answer
    x = 5,175.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.